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Cisco Maintaining Cisco Service Provider Quality of Service (MSPQS) Sample Questions:

1. Which statement about when you mix TCP and UDP traffic in the same class and overflow occurs is true?

A) The overflow is not a problem, because both TCP and UDP packets get randomly dropped and traffic will back out.
B) Mixing TCP and UDP in the same class is not supported.
C) TCP traffic is starved, because UDP never slows down when packets get dropped.
D) UDP traffic suffers more, because TCP guarantees delivery.

2. What problem could occur when applying this policy map on CE?
policy-map CE-SP-MODEL class VOIP priority class BROADCAST-VIDEO priority class SP-CRITICAL-DATA bandwidth percent 40 random-detect exp 3 15000 packets 45000 packets class class-default random-detect exp 1 2500 packets 7500 packets random-detect exp 0 1500 packets 10500 packets

A) Default class does not have bandwidth assigned.
B) No bandwidth or policing is configured for voice and video traffic, and other traffic could be impacted.
C) Only one priority queue is allowed per policy.
D) All traffic is classified and treated properly, no issues occur.

3. Refer to the exhibit.

The voice traffic is not receiving the appropriate per-hop behavior at the egress of the CEPE link. What is the problem?

A) Instead of hard coding the actual bandwidth on the priority and bandwidth commands, the percent option should be used.
B) Both class maps are misconfigured.
C) The control traffic class should be configured with the priority command instead of the bandwidth command.
D) Both ACLs are misconfigured.

4. When the RFC 3270 Uniform mode is used, the PHB at the egress router is based on which of these?

A) The MPLS VPN label EXP value.
B) The packet is re-evaluated, remarked, and the PHB is based on this new marking.
C) The Differentiated Services field value in the IP packet header.
D) The topmost MPLS label EXP value.

5. Refer to the exhibit.

Which two statements are correct? (Choose two.)

A) No traffic can be matched to the VoIP traffic class.
B) The BULK-DATA traffic class is missing the match-any option in the class-map command.
C) No traffic can be matched to the BULK-DATA traffic class.
D) No traffic can be matched to the REALTIME traffic class.
E) AF11 or AF12 or AF13 marked packets will be matched to the BULK-DATA traffic class.

Solutions: